A pickup system requires a certain break-in period to achieve the best reproduction characteristics. This break-in period depends on the specific pickup - from construction and from the sampled signals during this time. Usually / usually is this break-in period of a pickup with a music signal about 40 to 100 hours. This break-in period can, however, shorten significantly, in which the import of a pickup a pink noise is used in an endless groove as a signal. Now is the hassle of import past.